2016-08-17

German Federal Court of Justice Validates Nichia’s YAG-LED Patent

With judgment dated August 16, 2016 (docket number X ZR 96/14), the German Federal Court of Justice decided that the German part of Nichia’s patent EP 936 682 (DE 697 02 929), i.e. the “YAG patent” is valid. As a consequence, the Federal Court of Justice lifted entirely the first instance judgment of the German Federal Patent Court from 2014 (docket number 2 Ni 11/12) which had found Nichia’s YAG patent invalid and dismissed in total the nullity action initiated by Everlight Electronics Co., Ltd. (“Everlight”).
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For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). Seoul Viosys Co., Ltd. (KOSDAQ: 092190) today announced that it has broken that dependence. It h... READ MORE

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